Remote Sr. Network Security Engineer

We are seeking an experienced subject matter expertise (SME) in the Fortinet. This critical role is centered on high-severity incident management, complex security troubleshooting, and architectural improvements to our network infrastructure. The ideal candidate must have proven experience with Zero-Trust principles, specifically with Zscaler (ZIA/ZPA). You will thrive in high-pressure situations and have deep, hands-on experience managing secure enterprise network environments. The candidate must be able to join within 30 days after receiving the job offer.Responsibilities- Serve as the final L3 escalation point for all network security-related Major Incidents (MIM) and Priority-1 (P1) issues, with a primary focus on the Fortinet and Zscaler ecosystems.- Take full ownership of the Fortinet Security Fabric, including expert-level configuration, management, and troubleshooting of FortiGate firewalls, FortiManager, and FortiAnalyzer.- Design, implement, and manage Fortinet SD-WAN solutions, focusing on routing optimization, policy creation, failover, and performance tuning.- Configure and maintain FortiSwitch and FortiAP deployments, ensuring seamless and secure LAN and WLAN connectivity.- Implement, manage, and troubleshoot the Zscaler Zero-Trust platform, including Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).- Lead technical resolution during critical network outages and security incidents by hosting bridge calls and war rooms.- Perform comprehensive root cause analysis (RCA) and deliver detailed post-incident reports to stakeholders.- Collaborate with vendors, including Fortinet, Zscaler, and ISPs, to escalate complex issues and expedite service restoration.- Proactively monitor network and security performance, tuning alerts and dashboards using tools like ScienceLogic.- Partner with Information Security teams to enforce Zero-Trust policies, ensure network compliance, and maintain secure remote access.Qualifications- 5–8 years of hands-on experience as a Network Security Engineer in a large-scale enterprise environment.- 2+ years of direct experience in a Major Incident Management (MIM) or L3 escalation role is required.- Expert-level knowledge of the Fortinet Security Fabric, including FortiGate policy configuration, VPNs (IPsec/SSL), high availability (HA), FortiSwitch, FortiAP, and SD-WAN.- Demonstrable experience with Zero-Trust architecture and hands-on expertise in implementing and managing Zscaler (ZIA and ZPA).- Solid understanding of core networking and routing protocols, including BGP, OSPF, VLANs, ACLs, NAT, and QoS.- Proficiency with ITIL frameworks, specifically Incident, Problem, and Change Management processes.- Experience with network monitoring and analysis tools (e.g., ScienceLogic, Wireshark).Industry certifications are highly preferred:- Fortinet: NSE 5 / 6 or higher is strongly desired.- Zscaler: Zscaler Certified Cloud Administrator (ZCCA) / Professional (ZCCP) is a significant plus.- Cisco: CCNP Enterprise/Security is beneficial.Ideal Candidate Profile- Crisis Management: Demonstrates a calm, structured, and commanding presence during high-pressure incidents.- Technical Depth: An expert in Fortinet and Zscaler technologies with a broad and deep understanding of modern network security principles.- Collaborative Mindset: Works effectively across internal teams, vendors, and business stakeholders to drive swift resolutions.- Clear Communicator: Provides clear, concise, and timely updates during incidents and in post-mortem documentation.- Proactive Ownership: Goes beyond reactive fixes to identify underlying issues, recommend optimizations, and improve network resilience.